DJ Yonish Heating and Cooling has proudly been serving the Bethel Park and surrounding South Hills and the Greater Pittsburgh Area for 44 years. Here at DJ Yonish we offer our customers ESA contracts that cover your basic clean and check needs; Our one-year, 2 system contract starts at just $180.00. Have more questions? Call us at 412-833-1911 and ask about this money and energy saving deal today!